/*!
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import ContextManager from '../trace/context/ContextManager';

export function trace(op?: string) {
  return (target: any, key: string, descriptor?: PropertyDescriptor) => {
    if (descriptor === undefined) {
      return;
    }

    const original = descriptor.value;

    descriptor.value = function (...args: any[]) {
      const span = ContextManager.current.newLocalSpan(op || key);

      span.start();

      const result = original.apply(this, args);

      span.stop();

      return result;
    };
  };
}
